A Low Voltage Stress Switched-Capacitor Based 7-Level Boost Multilevel Inverter

This study represents a 7-level DC-to-AC converter with an increase in output voltage. The output voltage can be increased through the use of Switched capacitor technologies, such as the series connection of charged capacitors and a DC source. The significant features of the proposed design include the capacitors’ voltage self-balancing and ability to boost the output voltage and reduced voltage stress on the switching components. Without an H-bridge circuit at the back end, the proposed inverter can provide bipolar voltage. A detailed comparison with existing switched capacitor topologies is used to elucidate the benefits of the proposed design. The proposed design's loss analysis has been studied in detail. The effectiveness of this design is 97.32%. The effectiveness of the proposed 7-level design in both steady state and transient conditions is validated by extensive simulation testing using MATLAB/Simulation software.